For AI agents: the complete documentation index is available at /llms.txt, the full documentation bundle is available at /llms-full.txt, and this page is available as Markdown at /packs/shared/engineering/README.md.
Quick start

Functional engineering

Shared rules for pure domain logic, immutable values, explicit failures, and resource-owning adapters. Apply these principles alongside the pack for the language being edited.

TaskRead
Make a changeChange discipline
Design behavior and effectsFunctional design
Model stateImmutability
Handle failuresErrors as values
Evaluate a libraryDependencies
Verify behaviorTesting
Explain a constraintComments

Identity: bytefarm/engineering. Content version: 0.1.0.